<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .row {
      display: flex;

    }

    .row .item {
      height: 200px;
      /* border: 1px solid red; */

    }

    .row .item {
      text-align: center;
      color: white;
      line-height: 200px;
      flex: 1;
    }

    .row .item:nth-child(1) {
      flex: 2;
    }

    .row1 .item:nth-child(1) {
      background: url(./image2/row1-item1.png) no-repeat;
      background-size: cover;
    }

    .row1 .item:nth-child(2) {
      background: url(./image2/row1-item2.png) no-repeat;
      background-size: cover;
    }

    .row1 .item:nth-child(3) {
      background: url(./image2/row1-item3.png) no-repeat;
      background-size: cover;
    }

    .row2 .item:nth-child(1) {
      background: url(./image2/row2-item1.png) no-repeat;
      background-size: cover;
    }

    .row2 .item:nth-child(2) {
      background: url(./image2/row2-item2.png) no-repeat;
      background-size: cover;
    }

    .row2 .item:nth-child(3) {
      background: url(./image2/row2-item3.png) no-repeat;
      background-size: cover;
    }

    .row3 .item {
      background: url(./image2/row3.png) no-repeat;
      background-size: cover;
    }

    .row4 .item:nth-child(1) {
      background: url(./image2/row4-item1.png) no-repeat;
      background-size: cover;
    }

    .row4 .item:nth-child(2) {
      background: url(./image2/row4-item2.png) no-repeat;
      background-size: cover;
    }

    .row4 .item:nth-child(3) {
      background: url(./image2/row4-item3.png) no-repeat;
      background-size: cover;
    }
  </style>
</head>

<body>
  <div class="container">
    <div class="row row1">
      <div class="item">item1</div>
      <div class="item">item2</div>
      <div class="item">item3</div>
    </div>
    <div class="row row2">
      <div class="item">item1</div>
      <div class="item">item2</div>
      <div class="item">item3</div>
    </div>
    <div class="row row3">
      <div class="item">item1</div>
    </div>
    <div class="row row4">
      <div class="item">item1</div>
      <div class="item">item2</div>
      <div class="item">item3</div>
    </div>

  </div>
</body>

</html>